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TMXR: Fix logic which interprets DTR transitions

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This commit is contained in:
Mark Pizzolato 2016-06-19 08:08:19 -07:00
parent d741bdc375
commit f2656acb38
1 changed files with 4 additions and 4 deletions
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8
sim_tmxr.c
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@ -1502,7 +1502,7 @@ if (lp->mp && lp->modem_control) { /* This API ONLY works on mo
if (lp->serport) if (lp->serport)
return sim_control_serial (lp->serport, bits_to_set, bits_to_clear, incoming_bits); return sim_control_serial (lp->serport, bits_to_set, bits_to_clear, incoming_bits);
if ((lp->sock) || (lp->connecting)) { if ((lp->sock) || (lp->connecting)) {
if ((~before_modem_bits & bits_to_clear & TMXR_MDM_DTR) != 0) { /* drop DTR? */ if ((before_modem_bits & bits_to_clear & TMXR_MDM_DTR) != 0) { /* drop DTR? */
if (lp->sock) if (lp->sock)
tmxr_report_disconnection (lp); /* report closure */ tmxr_report_disconnection (lp); /* report closure */
tmxr_reset_ln (lp); tmxr_reset_ln (lp);
@ -1510,7 +1510,7 @@ if (lp->mp && lp->modem_control) { /* This API ONLY works on mo
} }
else { else {
if ((lp->destination) && /* Virtual Null Modem Cable */ if ((lp->destination) && /* Virtual Null Modem Cable */
((bits_to_set ^ before_modem_bits) & /* and DTR being Raised */ (bits_to_set & ~before_modem_bits & /* and DTR being Raised */
TMXR_MDM_DTR)) { TMXR_MDM_DTR)) {
char msg[512]; char msg[512];
@ -1523,7 +1523,7 @@ if (lp->mp && lp->modem_control) { /* This API ONLY works on mo
return SCPE_OK; return SCPE_OK;
} }
if ((lp->sock) || (lp->connecting)) { if ((lp->sock) || (lp->connecting)) {
if ((~before_modem_bits & bits_to_clear & TMXR_MDM_DTR) != 0) { /* drop DTR? */ if ((before_modem_bits & bits_to_clear & TMXR_MDM_DTR) != 0) { /* drop DTR? */
if (lp->sock) if (lp->sock)
tmxr_report_disconnection (lp); /* report closure */ tmxr_report_disconnection (lp); /* report closure */
tmxr_reset_ln (lp); tmxr_reset_ln (lp);
@ -1531,7 +1531,7 @@ if ((lp->sock) || (lp->connecting)) {
} }
if ((lp->serport) && (!lp->loopback)) if ((lp->serport) && (!lp->loopback))
sim_control_serial (lp->serport, 0, 0, incoming_bits); sim_control_serial (lp->serport, 0, 0, incoming_bits);
return SCPE_IERR; return SCPE_INCOMP;
} }
/* Enable or Disable loopback mode on a line /* Enable or Disable loopback mode on a line